Fertilizer
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A fertilizer or fertiliser is any material of natural or synthetic origin that is applied to soil or to plant tissues to supply plant nutrients. Fertilizers may be distinct from liming materials or ot
A farmer spreading manure to improve soil fertility
Founded in 1812, Mirat, producer of manures and fertilizers, is claimed to be the oldest industrial business in Salamanca (Spain).
Six tomato plants grown with and without nitrate fertilizer on nutrient-poor sand/clay soil. One of the plants in the nutrient-poor soil has died.
Compound fertilizer
Ammonia
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Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula NH3. A stable binary hydride and the simplest pnictogen hydride, ammonia is a colourless gas with a distinctive pung
Fertilizer
…the global food system towards larger-scale industrial agriculture with large crop yields in monocultures. The invention of Haber process for producing ammonia for nitrogen in the 20th century combined with amplified chemical production capacity created during World War II led to a boom in using nitrogen…
A train carrying anhydrous ammonia through Bray, Ireland
Liquid ammonia bottle
Jabir ibn Hayyan wrote about ammonia in the 9th century
This high-pressure ammonia reactor was built in 1921 by BASF in Ludwigshafen and was re-erected on the premises of the University of Karlsruhe in Germany.